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BOSTON MARATHON 2026

Matthew Czarnecki

Bib: 6985•M

OH

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 10%
Gender (Male)
#0 / 16340
Top 17%
Masters (Masters Men)
#0 / 10617
Top 5%
Age Group (M40-44)
#0 / 2198
Top 14%
Race Day Weather
51°/41°F
overcast clouds

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K
20:16
3.11 mi
Rank: #4374
Start → 5K
20:16 | 6:32/mi
10K
40:20
6.21 mi
Rank: #4113 (+261)
5K → 10K
20:04 | 6:28/mi
15K
1:00:13
9.32 mi
Rank: #3878 (+235)
10K → 15K
19:53 | 6:24/mi
20K
1:20:14
12.43 mi
Rank: #3743 (+135)
15K → 20K
20:01 | 6:27/mi
HALF
1:24:34
13.11 mi
Rank: #3726 (+17)
20K → HALF
4:20 | 6:22/mi
25K
1:40:02
15.53 mi
Rank: #3518 (+208)
HALF → 25K
15:28 | 6:23/mi
30K
2:00:17
18.64 mi
Rank: #3315 (+203)
25K → 30K
20:15 | 6:32/mi
20M
2:09:11
20.00 mi
Rank: #3234 (+81)
30K → 20M
8:54 | 6:34/mi
21M
2:16:03
21.00 mi
Rank: #3171 (+63)
20M → 21M
6:52 | 6:52/mi
35K
2:20:47
21.75 mi
Rank: #3124 (+47)
21M → 35K
4:44 | 6:20/mi
23M
2:28:54
23.00 mi
Rank: #3040 (+84)
35K → 23M
8:07 | 6:30/mi
24M
2:35:17
24.00 mi
Rank: #2994 (+46)
23M → 24M
6:23 | 6:23/mi
40K
2:40:53
24.85 mi
Rank: #2970 (+24)
24M → 40K
5:36 | 6:33/mi
25.2M
2:43:19
25.20 mi
Rank: #2954 (+16)
40K → 25.2M
2:26 | 7:04/mi
FINISH
2:49:37
26.22 mi
Rank: #2911 (+43)
25.2M → FINISH
6:18 | 6:11/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Half⚖️ Balanced
via HALF
Distance13.11 mi
Time1:24:34
Pace6:28 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:25:03
Pace6:30 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:26:2120:166:3220:16
6:32
-
10K
6.21 mi10:46:2540:206:3020:04
6:28
-0:04
15K
9.32 mi11:06:181:00:136:2819:53
6:24
-0:04
20K
12.43 mi11:26:191:20:146:2820:01
6:27
+0:03
HALF
13.11 mi11:30:391:24:346:284:20
6:22
-0:05
25K
15.53 mi11:46:071:40:026:2715:28
6:23
+0:01
30K
18.64 mi12:06:222:00:176:2820:15
6:32
+0:09
20M
20.00 mi12:15:162:09:116:288:54
6:34
+0:02
21M
21.00 mi12:22:082:16:036:296:52
6:52
+0:18
35K
21.75 mi12:26:522:20:476:294:44
6:20
-0:32
23M
23.00 mi12:34:592:28:546:298:07
6:30
+0:10
24M
24.00 mi12:41:222:35:176:296:23
6:23
-0:07
40K
24.85 mi12:46:582:40:536:295:36
6:33
+0:10
25.2M
25.20 mi12:49:242:43:196:292:26
7:04
+0:31
FINISH
26.22 mi12:55:422:49:376:296:18
6:11
-0:53

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

6:11 /mi

Average Pace

6:28 /mi

Slowest Pace

7:04 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

2:40:19

95% of race

Time at Steady Pace

9:18

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:28 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:26:2120:166:3220:16
6:32
#4374
10K
6.21 mi10:46:2540:206:3020:04
6:28
#4113
15K
9.32 mi11:06:181:00:136:2819:53
6:24
#3878
20K
12.43 mi11:26:191:20:146:2820:01
6:27
#3743
HALF
13.11 mi11:30:391:24:346:284:20
6:22
#3726
25K
15.53 mi11:46:071:40:026:2715:28
6:23
#3518
30K
18.64 mi12:06:222:00:176:2820:15
6:32
#3315
20M
20.00 mi12:15:162:09:116:288:54
6:34
#3234
21M
21.00 mi12:22:082:16:036:296:52
6:52
#3171
35K
21.75 mi12:26:522:20:476:294:44
6:20
#3124
23M
23.00 mi12:34:592:28:546:298:07
6:30
#3040
24M
24.00 mi12:41:222:35:176:296:23
6:23
#2994
40K
24.85 mi12:46:582:40:536:295:36
6:33
#2970
25.2M
25.20 mi12:49:242:43:196:292:26
7:04
#2954
FINISH
26.22 mi12:55:422:49:376:296:18
6:11
#2911
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi4374412841283500(Top 12%)3346(Top 20%)3346(Top 152%)
10K6.21 mi3.10 mi4113+2613906+2223906+2223902(Top 13%)3705(Top 23%)3705(Top 169%)
15K9.32 mi3.11 mi3878+2353690+2163690+2163500(Top 12%)3346(Top 20%)3346(Top 152%)
20K12.43 mi3.11 mi3743+1353564+1263564+1263385(Top 12%)3241(Top 20%)3241(Top 147%)
HALF13.11 mi0.68 mi3726+173550+143550+143387(Top 12%)3243(Top 20%)3243(Top 148%)
25K15.53 mi2.42 mi3518+2083361+1893361+1892763(Top 10%)2653(Top 16%)2653(Top 121%)
30K18.64 mi3.11 mi3315+2033172+1893172+1892670(Top 9%)2553(Top 16%)2553(Top 116%)
20M20.00 mi1.36 mi3234+813095+773095+772695(Top 9%)2547(Top 16%)2547(Top 116%)
21M21.00 mi1.00 mi3171+633035+603035+602753(Top 9%)2577(Top 16%)2577(Top 117%)
35K21.75 mi0.75 mi3124+472989+462989+462645(Top 9%)2484(Top 15%)2484(Top 113%)
23M23.00 mi1.25 mi3040+842907+822907+822356(Top 8%)2217(Top 14%)2217(Top 101%)
24M24.00 mi1.00 mi2994+462862+452862+452569(Top 9%)2380(Top 15%)2380(Top 108%)
40K24.85 mi0.85 mi2970+242837+252837+252775(Top 10%)2542(Top 16%)2542(Top 116%)
25.2M25.20 mi0.35 mi2954+162820+172820+172874(Top 10%)2594(Top 16%)2594(Top 118%)
FINISH26.22 mi1.02 mi2911+432777+432777+432422(Top 8%)2213(Top 14%)2213(Top 101%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 12%
×21
+97ft-345ft

Overall

3500

Males

3346

M40-44

3346

5K→10K

3.1 - 6.2 mi

Top 13%
×5
+79ft-138ft

Overall

3902

Males

3705

M40-44

3705

10K→15K

6.2 - 9.3 mi

Top 12%
×3
+67ft-78ft

Overall

3500

Males

3346

M40-44

3346

15K→20K

9.3 - 12.4 mi

Top 12%
×5
+106ft-86ft

Overall

3385

Males

3241

M40-44

3241

20K→HALF

12.4 - 13.1 mi

Top 12%
×2
+19ft-37ft

Overall

3387

Males

3243

M40-44

3243

HALF→25K

13.1 - 15.5 mi

Top 10%
×4
+66ft-88ft

Overall

2763

Males

2653

M40-44

2653

25K→30K

15.5 - 18.6 mi

Top 9%
×9
+181ft-148ft

Overall

2670

Males

2553

M40-44

2553

30K→20M

18.6 - 20.0 mi

Top 9%
×5
+64ft-50ft

Overall

2695

Males

2547

M40-44

2547

20M→21M

20.0 - 21.0 mi

Top 9%
×8
+106ft-24ft

Overall

2753

Males

2577

M40-44

2577

21M→35K

21.0 - 21.8 mi

Top 9%
×7
+17ft-86ft

Overall

2645

Males

2484

M40-44

2484

35K→23M

21.8 - 23.0 mi

Top 8%
×5
+23ft-63ft

Overall

2356

Males

2217

M40-44

2217

23M→24M

23.0 - 24.0 mi

Top 9%
×6
+12ft-82ft

Overall

2569

Males

2380

M40-44

2380

24M→40K

24.0 - 24.9 mi

Top 10%
×1
+6ft-20ft

Overall

2775

Males

2542

M40-44

2542

40K→25.2M

24.9 - 25.2 mi

Top 10%
×1
+13ft-16ft

Overall

2874

Males

2594

M40-44

2594

25.2M→FINISH

25.2 - 26.2 mi

Top 8%
×2
+22ft-21ft

Overall

2422

Males

2213

M40-44

2213

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1696
Passed By
233
Net Change
+1463
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4374
5K → 10K31453+261#4374#4113
10K → 15K25217+235#4113#3878
15K → 20K16429+135#3878#3743
20K → HALF236+17#3743#3726
HALF → 25K2135+208#3726#3518
25K → 30K2107+203#3518#3315
30K → 20M9514+81#3315#3234
20M → 21M8320+63#3234#3171
21M → 35K558+47#3171#3124
35K → 23M9511+84#3124#3040
23M → 24M6216+46#3040#2994
24M → 40K5430+24#2994#2970
40K → 25.2M226+16#2970#2954
25.2M → FINISH5411+43#2954#2911
TOTALS1696233+1463
📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

📈Position Graph

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

Activity Data

Upload your GPX file to see detailed activity metrics

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Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

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Export & Support

Download your data, get help, and share your feedback

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing